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Maibara Terrace Deposit Shinano River Terrace Research Group, 1968

Invalid synonym: Mairaba I Terrace Deposit, Maibara II Terrace Deposit

• Type locality: Maibara, Tsunan city, Nakauonuma county, Niigata prefecture
• Coherent formation
• Terrace deposit
• Pleistocene (ca. 0.3 - 0.1 Ma)

• Lithofacies: Sands, Gravels
• Lithofacies (Minor): Silt
• Sedimentary structures: Imbrication
• Paleocurrent: from South

• Thickness: Several - 15 m
• Upper limit: Unconformity (Taniage Loam, Maibara Loam)

• Distribution: Maibara - Kamigoueda - Aiyoshi - Nakago - Funayama - Hokizawa, Tsunan city, Nakauonuma county, Niigata pref.; Nakasato, Tokamachi city, Niigata pref.

• Takeuchi et al. (2000) Geology of the Matsunoyama Onsen District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 76p. (in Japanese with English abstract 5p.)
• Shimazu and Tateishi (1993) Geology of the Naebasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 90p. (in Japanese with English abstract 5p.)